672431092 has 12 divisors (see below), whose sum is σ = 1178214660. Its totient is φ = 335798336.

The previous prime is 672431077. The next prime is 672431093. The reversal of 672431092 is 290134276.

672431092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 625700196 + 46730896 = 25014^2 + 6836^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672431093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100663 + ... + 107134.

It is an arithmetic number, because the mean of its divisors is an integer number (98184555).

Almost surely, 2^672431092 is an apocalyptic number.

It is an amenable number.

672431092 is a deficient number, since it is larger than the sum of its proper divisors (505783568).

672431092 is a wasteful number, since it uses less digits than its factorization.

672431092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208610 (or 208608 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 672431092 is about 25931.2763280175. The cubic root of 672431092 is about 876.0910871138.

The spelling of 672431092 in words is "six hundred seventy-two million, four hundred thirty-one thousand, ninety-two".